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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Mines and mineral resources
Filter: Subject of electric apparatus and appliances
| Date: | 1939 |
|---|---|
| Description: | International PA-100 power unit operating a Pomona water pump in a lead and zinc mine. A box labeled "dynamite" is in the foreground. |
| Date: | 08 1938 |
|---|---|
| Description: | Mine building at a gold and mica mine operated by the Mineral Mining Corporation. A body of water is in the foreground on the left side of a partially cons... |
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